How do fertility rates, birth rates, and infant mortality rates all help geographers determine the level of development of a nation or region?

Lower (or higher) mortality might induce lower (or higher) fertility, but it is well established that higher birth rates lead to higher infant and child mortality. This higher mortality is related to the effect on infants and children of earlier weaning and reduced care from mothers.

Explanation:

So statistics and data show this as well and they use the data from past years! Hope it helps! Please give me a 5 star vote, a thanks, and Brainliest answer!